[PATCH v4 3/6] perf: implement pmu perf_kprobe

A new pmu, perf_kprobe is added. Based attr from perf_event_open(), perf_kprobe creates a kprobe (or kretprobe) for the perf_event. This kprobe is private to this perf_event, and thus not added to global lists, and not available in tracefs. Two functions, create_local_trace_kprobe() and

[PATCH v4 3/6] perf: implement pmu perf_kprobe

A new pmu, perf_kprobe is added. Based attr from perf_event_open(), perf_kprobe creates a kprobe (or kretprobe) for the perf_event. This kprobe is private to this perf_event, and thus not added to global lists, and not available in tracefs. Two functions, create_local_trace_kprobe() and